Ventilation Categories
So why do we need ventilation?
Building regulations require a minimum rate of ventilation approximately equivalent to half an air change per hour for the whole building. Even if building regulations did not require this, a minimum level of ventilation is such a good idea as it helps prevent condensation and the respiratory problems associated with stale air.
General improvements in house construction, building regulations and much higher levels of insulation in modern dwellings mean that houses are becoming almost airtight. Consequently, the air inside becomes stale with a build up of moisture and smells. The moisture can result in condensation and mould, and a generally ‘stuffy’ atmosphere.
Ventilation Categories
So why do we need ventilation?
Building regulations require a minimum rate of ventilation approximately equivalent to half an air change per hour for the whole building. Even if building regulations did not require this, a minimum level of ventilation is such a good idea as it helps prevent condensation and the respiratory problems associated with stale air.
General improvements in house construction, building regulations and much higher levels of insulation in modern dwellings mean that houses are becoming almost airtight. Consequently, the air inside becomes stale with a build up of moisture and smells. The moisture can result in condensation and mould, and a generally ‘stuffy’ atmosphere.
Domus CMX Multi - Mechanical Extract Ventilation
The CMX Multi showcases the best SFP on the market whilst maintaining a unique 125mm depth for simple, flexible installation.
Aimed at the Residential market its shape and size conform with New Build restrictions, whilst also making it ideal for retro-fit projects due to direct duct runs and wall or ceiling void fixings. Quiet running, whilst comfortably providing impressive airflow rates and with a choice of models with and without integral humidistat, the CMX-MULTI range provide the solution in Mechanical Extract Ventilation.
Features of the Domus HRXE:
-
Excellent SFP results!
-
CMX-MULTI-H has integral humidistat, ideal for specification works
-
3 inlet spigots for simplified multi-room extraction
-
204x60mm spigots allowing direct duct runs from the unit, saving time and money on site






The CMX Multi showcases the best SFP on the market whilst maintaining a unique 125mm depth for simple, flexible installation.
Aimed at the Residential market its shape and size conform with New Build restrictions, whilst also making it ideal for retro-fit projects due to direct duct runs and wall or ceiling void fixings. Quiet running, whilst comfortably providing impressive airflow rates and with a choice of models with and without integral humidistat, the CMX-MULTI range provide the solution in Mechanical Extract Ventilation.
Features of the Domus HRXE:
-
Excellent SFP results!
-
CMX-MULTI-H has integral humidistat, ideal for specification works
-
3 inlet spigots for simplified multi-room extraction
-
204x60mm spigots allowing direct duct runs from the unit, saving time and money on site